import easygui as g
msg = '【*真实姓名】为必填项\n【*手机号码】为必填项\n【*E-mail】为必填项'
title = '账号中心'
fields = ['*用户名','*真实姓名','固定电话','*手机号码','QQ','*E-mail']
values=[]
while True:
    values=g.multenterbox(msg,title,fields)
    if values !=None:
        if (values[0] and values[1] and values[3] and values[5]) != '':
            break
        else:
            g.msgbox('带*的选项请填完整','警告')
    else :
        break
